O2 XDA Stellar vs Palm Treo Pro

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    Treo Pro: 57 g lighter

    XDA Stellar:
    190 g
    Treo Pro:
    133 g
  • Width

    XDA Stellar: 1 mm narrower

    XDA Stellar:
    59 mm
    Treo Pro:
    60 mm
  • Screen diagonal

    Treo Pro: 0.3 in smaller diagonal

    XDA Stellar:
    2.8 in
    Treo Pro:
    2.5 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    Treo Pro:
    Qualcomm MSM7201
  • Depth

    Treo Pro: 5.2 mm thinner

    XDA Stellar:
    18.6 mm
    Treo Pro:
    13.4 mm
  • Height

    XDA Stellar: 2 mm shorter

    XDA Stellar:
    112 mm
    Treo Pro:
    114 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +5.2 mm versus Treo Pro
  2. 2. Treo Pro

    Height:
    114 mm +2 mm versus XDA Stellar
    Width:
    60 mm +1 mm versus XDA Stellar
    Depth:
    13.4 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. XDA Stellar

    190 g

    +57 g versus Treo Pro

  2. 2. Treo Pro

    133 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. XDA Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Treo Pro

    Screen diagonal:
    2.5 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    20.2 cm²

XDA Stellar has approximately 20.4% more rectangular screen area than Treo Pro.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

Treo Pro: Original memory entry

100 MB · 128 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. XDA Stellar

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

2. Treo Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. XDA Stellar

    1350 mAh

  2. 2. Treo Pro

    1500 mAh

    +150 mAh versus XDA Stellar

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. XDA Stellar2. Treo Pro

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 114 Х 60 Х 13.4 mm
Weight
  • 190 g
  • 133 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.5" inch
Screen resolution
  • 240 x 320 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 100 MB
  • 128 MB RAM
Memory card support
  • microSD
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Qualcomm MSM7200
  • Qualcomm MSM7201
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
  • 20.2 cm2
Screen format
  • 4:3 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 36.7%
  • 29.5%
PPI /points per inch/
  • 143 PPI
  • 181 PPI
Camera and Video
Camera and Video — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
Processor CPU
  • 400 MHz ARM 11
  • 528 MHz ARM 11
Graphics processor GPU
  • Adreno 130
  • Adreno 130
General specs
General specs — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
Release date
  • 2007
  • November
  • 2008
  • August
Colors
  • Silver
  • Obsidian
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • 2.0
  • microUSB
Bluetooth
  • 2.0
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.60 W/kg (head) 0.87 W/kg (body) SAR EU - 0.75 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
Radio
  • No
  • No
Others
  • Handwriting recognition
  • 5-way navigation button
Other features
Other features — specifications for XDA Stellar, Treo Pro.
SpecificationXDA StellarTreo Pro
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Infrared port - Organizer -Pocket Office -Voice memo